diff --git a/ecs/pkg/amazon/backend/cloudformation_test.go b/ecs/pkg/amazon/backend/cloudformation_test.go
index e7efad187..c8622a1ac 100644
--- a/ecs/pkg/amazon/backend/cloudformation_test.go
+++ b/ecs/pkg/amazon/backend/cloudformation_test.go
@@ -154,6 +154,21 @@ services:
 	assert.Equal(t, def.Cpu, "4096")
 	assert.Equal(t, def.Memory, "8192")
 }
+func TestTaskSizeConvertFailure(t *testing.T) {
+	model := loadConfig(t, "test", `
+version: "3"
+services:
+  test:
+    image: nginx
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 2043248M
+`)
+	_, err := Backend{}.Convert(model)
+	assert.ErrorContains(t, err, "unable to find cpu/mem for the required resources")
+}
 
 func TestLoadBalancerTypeNetwork(t *testing.T) {
 	template := convertYaml(t, "test", `
@@ -256,6 +271,13 @@ func load(t *testing.T, paths ...string) *types.Project {
 }
 
 func convertYaml(t *testing.T, name string, yaml string) *cloudformation.Template {
+	model := loadConfig(t, name, yaml)
+	template, err := Backend{}.Convert(model)
+	assert.NilError(t, err)
+	return template
+}
+
+func loadConfig(t *testing.T, name string, yaml string) *types.Project {
 	dict, err := loader.ParseYAML([]byte(yaml))
 	assert.NilError(t, err)
 	model, err := loader.Load(types.ConfigDetails{
@@ -266,7 +288,5 @@ func convertYaml(t *testing.T, name string, yaml string) *cloudformation.Templat
 		options.Name = "Test"
 	})
 	assert.NilError(t, err)
-	template, err := Backend{}.Convert(model)
-	assert.NilError(t, err)
-	return template
+	return model
 }
diff --git a/ecs/pkg/amazon/backend/convert.go b/ecs/pkg/amazon/backend/convert.go
index 6bd66255d..828618b45 100644
--- a/ecs/pkg/amazon/backend/convert.go
+++ b/ecs/pkg/amazon/backend/convert.go
@@ -116,7 +116,7 @@ func toSystemControls(sysctls types.Mapping) []ecs.TaskDefinition_SystemControl
 	return sys
 }
 
-const Mb = 1024 * 1024
+const MiB = 1024 * 1024
 
 func toLimits(service types.ServiceConfig) (string, string, error) {
 	// All possible cpu/mem values for Fargate
@@ -149,9 +149,9 @@ func toLimits(service types.ServiceConfig) (string, string, error) {
 	}
 
 	for cpu, mem := range cpuToMem {
-		if v <= cpu*Mb {
+		if v <= cpu*MiB {
 			for _, m := range mem {
-				if limits.MemoryBytes <= m*Mb {
+				if limits.MemoryBytes <= m*MiB {
 					cpuLimit = strconv.FormatInt(cpu, 10)
 					memLimit = strconv.FormatInt(int64(m), 10)
 					return cpuLimit, memLimit, nil
@@ -174,7 +174,7 @@ func toContainerReservation(service types.ServiceConfig) (string, int, error) {
 	if reservations == nil {
 		return cpuReservation, memReservation, nil
 	}
-	return reservations.NanoCPUs, int(reservations.MemoryBytes / Mb), nil
+	return reservations.NanoCPUs, int(reservations.MemoryBytes / MiB), nil
 }
 
 func toRequiresCompatibilities(isolation string) []*string {